Synonyms of undutiful
- 2 Syllables
- untrue, recreant, faithless, betraying, impious
- 3 Syllables
- traitorous, two-timing, unfaithful, perfidious, treasonous, wormlike, treacherous, two-faced
- 4 Syllables
- treasonable, unpatriotic, double-crossing, apostate, subversive